Non-woven warp yarn fabric materials and method and...

D - Textiles – Paper – 04 – H

Patent

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Details

D04H 3/02 (2006.01) B29C 53/80 (2006.01) B32B 5/26 (2006.01) B65H 81/00 (2006.01) D04H 3/07 (2006.01) D04H 3/12 (2006.01) D06H 7/08 (2006.01)

Patent

CA 2384372

This invention comprises a plurality of yarns that have been formed into an aligned group, substantially parallel and equally spaced apart, as described in greater detail below. This parallel grouping of yarns is fixed in place by forming an adhesive coating, printed on only one side of the yarns. Cooling of the hot melt adhesive occurs almost instantaneously, and the resulting product is a fixed web or substrate consisting essentially of a plurality of aligned yarns and an adhesive coating or layer on one side of said fibers. The fiber orientation produced in this invention, in which the fibers run in the machine direction, provides a non-woven fabric material substrate in which the fibers mimic warp yarns, which can either be used as is or used in subsequent non- woven manufacturing processes to make materials that have the visual impression and physical feel of a woven material.

L'invention concerne une pluralité de fils alignés en groupe sensiblement parallèles et équidistants, tels que décrits plus en détail ci-dessous. Ce groupement parallèle de fils est immobilisé par formation d'un revêtement adhésif imprimé sur un côté seulement de ces fils. Le refroidissement de cet adhésif thermofusible se produit presque instantanément, le produit résultant se présentant sous la forme d'un voile fixe ou d'un substrat essentiellement constitué d'une pluralité de fils alignés et d'un revêtement adhésif ou d'une couche adhésive sur un côté de ces fibres. L'orientation des fibres obtenue avec cette invention, selon laquelle les fibres se déplacent dans le sens de la machine, permet de produire un substrat de matériau de tissu non tissé dont les fibres ressemblent à des fils de chaîne, et qui peut s'utiliser tel quel ou dans des processus de fabrication de non tissés subséquents destinés à la production de matériaux présentant les caractéristiques visuelles et physiques d'un matériau tissé.

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